Calphalon Commercial Nonstick 4-Quart Chef's Casserole with Lid 4-quart casserole pan for braising, baking, stewing Heavy-gauge hard-anodized aluminum for superior heat conductivity Advanced nonstick interior for easy cleaning; nonporous exterior Patented stay-cool cast-stainless-steel handles; domed stainless-steel lid Oven-safe up to 450 degrees F; lifetime warranty